import { v4 as uuidv4 } from 'uuid';
// 生成一个随机字符串 且每次不能发生变化 游客身份持久存储
export const getUUID = () => {
    // 先从本地存储获取UUID(先看本地存储里是否有)
    let uuid_token = localStorage.getItem('UUIDTOKEN')
        // 如果没有生成UUID
    if (!uuid_token) {
        uuid_token = uuidv4();
        localStorage.setItem('UUIDTOKEN', uuid_token)
    }

    return uuid_token
}